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| All Patents in class 408/41 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,487,589 | Mar. 18, 1924 | T.C. Mustin, J.H. Miner | Machine for milling tooth sockets in saw blades | making sawblades | |
| 1,535,267 | Apr. 28, 1925 | J.J. Thacher | Spindle-stop mechanism | ||